Newly Posted Articles

CALCINATED CLAY: Pellets Used as Potting Medium

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Leaching and drying will move salts to surface of pellets for their removal. A77-1101 Read More

CALCIUM BUILD-UP: On Leaves

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago It provides protection from hot sunshine in California. OD68-197 Read More

CALCIUM CARBONATE (CACO3): Used in Mixes

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago In paphiopedilum mixes it is used as an additive in various forms: chalk, limestone, marble, magnesium limestone, gypsum, coral, shells of molluscs, etc. A75-712 Read More

CALCIUM: Characteristics

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago An essential element; removes certain organic acids; is part of cell wall construction. OA78-51 Read More

CALCIUM: Contributes to Drainage

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago In the presence of calcium particles in the media flocculate or come together; in the presence of organic matter, aggregates are formed and drainage is thereby achieved. OD71-278 Read More

FUNGUS: Resistance to Fungicide Development

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Fungi have shown some resistance to Benlate (benomyl); no resistance shown to Truban, or Dexon (which might be restricted in your area). A77-995 Read More

FLUORESCENT LIGHTS: Turning on in Living Room Area Where Plants Also Grow

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Probably no photoperiod effect; fluorescents are not very effective for photoperiod control; the 15 to 30 fc. emitted at a distance would not affect Den. phalaenopsis. A73-888 Read More

FLUORESCENT LIGHTS: Weak

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Some stores sell cheaper units made in Taiwan and elsewhere which deliver only 300 foot-candles compared with the normal 800 fc required by plants. OIE85Jn-4 Read More

FLUORESCENT LIGHTS: Why Not Place Vertically?

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago They will operate that way but the leaves' cells display more chlorophyll on the upper surface, and derive more stimulus. A74-300 Read More

FOAM RUBBER: As Potting Material

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Is of no use on its own; slabs of it did not induce successful growing. OR69-275 Read More